REPAIRS REPLACEMENT OF ERW CI DI GI PIPE LINE AND REPAIR OF RO PLANT CLEANING OF UG SUMPS AND OH TANKS AT AF STN MOTHALA UNDER GE AF NALIYA

Amount

Supply, laid in repair in trenches/passing under roads Cast Iron / DI pipes with spigot and socket ends centrifugally cast, class LA connecting to water supply pipe line and connections of size 150 mm bore including removing / talking down of old CI pipe/ ERW pipe line complete all as specified and as directed.

Supply, laid in repair in trenches galvanised steel water tubing, 100 mm bore medium grade ISI marked including necessary fittings such as GI bends, Tees, Union etc. complete and connecting to water supply pipe line including taking out existing old/rusted out steel tubing and connections complete all as specified and as directed Note : Excavation, returning filling shall be measured and paid separately under relevant items of this schedule.

All as per Item No. 2 here in above but 80 mm bore

All as per Item No. 2 here in above but 50 mm bore

All as per Item No. 2 here in above but 40 mm bore

All as per Item No. 2 here in above but 25 mm bore

S & F in repairs GI Tubing,25 mm bore medium grade ISI marked fixed in walls and ceilings with all fitting such as GI bends , tee, union, etc. and fixed complete to walls and ceiling or laid in floors with saddles, spacers and connecting to water supply pipe line including taking out existing old/rusted out steel tubing and connections complete all as specified and as directed.

All as per Item No. 7 here in above but 20 mm bore

M&L in repair, cast Iron fittings for spigot and sockets ends pipes (up to 150 mm bore) such as bends, tapers any type (straight , bend, increasing, decreasing, or double socket etc.) Tee pieces, single branch, "Y" junction ,double branch, cross, all spigot and socket, collars, caps and plugs (conforming to IS:8329) including jointing material complete all as specified and as directed.

Supply and Fix in trenches/passing under roads galvanised steel water tubing, 65 mm bore, heavy class grade including necessary fittings such as GI bends, Tees, Union etc. complete and connecting to water supply main pipe line for connections including removing/taking out old pipe line complete all as specified and as directed

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq. m on plan and n exc 1.5 m in depth and getting out in any type of soil. Note :- The rate quoted by the tenderer is deemed to include the cost for excavating the trenches to required slope / gradient for laying of pipes.

Returning, filling-in, including spreading, watering and well ramming in layers not exceeding 25 cm thick each, in soft / loose soil complete all as specified. Note:-The back fill shall be neatly rounded/levelled over the trench to a sufficient height to allow for settlement to the required level all as specified in clause 18.56.6(a) of SSR-2009)

M&L in repair, quick fix double halt MS clamp coupler with rubber gasket for 100 mm bore of pipe complete all as specified and directed.

M&L Fix in repair Gun metal, globe or gate valves,50 mm bore with iron wheel head screwed both ends for iron pipe and fixed after taking out old / rusted complete all as specified and as directed.

All as per Item No. 14 here in above but for 25 mm bore

All as per Item No. 14 here in above but for 20 mm bore

M&L in repair, 150mm dia bore sluice valve cast iron body class - PN 1.6 ISI Marked both ends flanged with brass spindle and brass check nuts with CI hand wheel including jointing material like rubber in section sheets 3mm thick, bolts, nuts and fixed to pipe line including testing complete all as specified and directed

All as per Item No. 17 here in above but for 100 mm dia bore

M&L in repair, 80 mm bore Non return valve (reflux), cast iron body, ISI marked with by pass arrangement, both end flanged including jointing material like 3mm thick rubber insertion sheet, bolts, nuts and fixed to pipe line, including testing complete all as specified and as directed.

S&F in repair, 80 mm dia foot valve CI body, flanged including jointing material like 3mm thick rubber insertion sheet, bolts , nuts and fixed to suction pipe complete all as specified and as directed.

S&F in repair, 25mm dia cast iron, air valve with two air outlets and fixing up in 150mm dia water supply mains complete all as specified and as directed.

De-watering the existing UG Sump of 1.00 lakh glns capacity and cleaning the internal surfaces of sump to remove scales, mud and other foreign material applying surfaces with mixture of bleaching powder and water, finally washing with fresh water and treating with one coat of white wash to internal wall and bottom surfaces etc., complete for one time, writing black capital letter "cleaned on (date) & due date", letter's height not less than 5 Cm complete all as specified and directed.

All as per item No. 22 here in above but of capacity 25000 Glns at Technical area

All as per item No. 22 here in above but OH reservoir of capacity 50000 Glns at 18.00m staging Note :- The unit rate quoted for item No 22 to 24 shall deemed to be included for (a) 250 gms of bleaching powder to be used for every 10 litre of fresh water. (b) All the inlet / out let / over flow wash out connection shall be cleaned rust free and any leakage in joints shall be made good. (c) The water available in the tank / UG sump shall be bailed out to the nearest open drain available. (d) Any damage caused during cleaning the existing assists shall be made good by the contractor without any extra cost.

Cleaning of PVC water tank (RO storage water tanks) of capacity 2000/ 5000 liters using bleaching powder, scrubbing of inner surface of tanks by means of wire brush for removing all scale formed and other foreign particles and washing complete all as specified and as directed.

Dismantling and taking out submersible pump set of any capacity from bore well for repair or for finding of any type of fault such as cable fault / leakage of pipe etc. and refixing after overhauling including lowering in the bore well, with replacement of damaged gasket and nut ,bolts etc. (depth of bore - 80 to 140m) complete all as specified and as directed.

Transporting 25 HP submersible motor and pump from site to workshop and back including loading and unloading, opening of pump set complete and testing after reassembling and replacement of following spare parts etc., (if required) complete all as specified and as directed: Note: Replacement of defective unserviceable spare parts of existing make/size shall be measured and paid separately under relevant item.

Taking out existing burnt out winding wire and rewinding with copper conductor insulating winding wire, gauge and the turns of wire is as per the manufacture's specification / existing of 25 HP submersible pump set complete all as specified and as directed.

Replacement of bearings of motor

Replacement of bush of motor

Replacement of bush of pumps

Replacement of stainless sleeve of pump

Replacement of bowls of pump

Replacement of impeller of pump

Replacement of stainless shaft

Dismantling of centrifugal motor and pump 25 HP from technical pump house and transporting from site to workshop and back after repair including loading, unloading , testing, commissioning etc. complete all as specified and as directed

Opening centrifugal motor and pump 25 HP complete and re-assembling after repair & replacement of following spares of existing make /size or equivalent as approved by GE & testing etc. complete all as specified and directed: Note: i)Replacement of defective items of existing make/size shall be measured and paid separately under relevant item.

Taking out existing burnt out winding wire and rewinding with copper conductor insulating winding wire, gauge and the turns of wire is as per the manufacture's specification / existing.

Replacement of bearing of motor DE side

Replacement of bearing of NDE side

Replacement of bush of pump

Replacement bearing of pump

Replacement of stainless steel sleeve of pump

S&F in replacement power Contactor of rating 45 Amps, 3 Phase complete all as specified and directed. Make: L&T/ Schneider/ Siemens/ C&S

S&F in replacement DOL (Direct on line) starter for up to 7.5 HP centrifugal pumps motor working voltage 415 volts of relay range 1-16 in Sheet-Steel Enclosure Type ML with SPP feature (Motor Rating AC-3 Duty, 415V, 50Hz, 3-Ph) complete all as specified and directed.

M&L for calcium based white to white free granular chlorination chemical altoch- GP decomposing at 177 C mol 112.98,Toxicity oral rat LD 50 : 850 mg/kg in 45 Kg packing complete.

Rectification of leakage in DI/CI/ERW/GI water mains up to 150 mm bore including excavation in any type of soil (approx. 2 meter length, 1.5 meter width, 1.5 meter depth) dewatering complete by using pump set of 5 to 7.5 HP for rectification of leakage, by replacing of any type of joint such as run lead joint / CT joint / quick fix clamp of any size including cutting, welding, drilling etc. Note:- Cost of CT joint / lead joint/clamps is deemed to be included in the unit rate quoted by the tenderer.

M&L in replacement of PVC Insulated & PVC sheathed industrial 3 core 16 sqmm flat submersible cable with bare bunched copper conductor for submersible pump motors with voltage grade 1100 Volts generally conforming to IS 694/1990 complete all as specified and as directed.

S&F in repairs 20 mm dia float valves high pressure with polyethelene float, alumunium rod and fly nut screwed for iron / PVC pipe or brass ferrule complete all as specified & as directed.

S&F in replacement fully automatic star delta starter for 25/30 HP suitable for submersible pump motor working voltage 415 volts of relay range 20 - 33 A, sheet enclosure, Type MUG (Motor Rating A C-3 Duty, 415V, 50 Hz, 3 phase complete all as specified and directed. Make: Siemens/L&T/Havells/Schneider

Dismantling of existing valve chamber and construction of new valve chamber of size 1350x1000x1200mm internal in PCC solid block in PCC (1:5:10) type D-5 built in cement mortar (1:4) with mild steel angle iron (45x45x6mm) frame including MS cover of 3mm thick and locking arrangement including excavation and earth work in soft/loose soil , PCC (1:4:8) type D-2 for foundation, 50mm thick PCC coping in PCC(1:2:4) type B-1 plastering in CM (1:4) 15mm thick, painting with one coat of red oxide primer and two coats of synthetic enamel paint on all steel surfaces and three coats of white wash on plastered surfaces complete all as specified and directed.

Description of all as per Srl Item No. 51 here-in-before but of size 1050x750x1000mm

Dismantling the components of Reverse Osmosis plant and checking the serviceability of plant including rubber bushes, fittings, low pressure /high pressure motor pumps and re fixing the same after necessary repairs and replacement of unserviceable parts, commissioning and testing complete all as specified and as directed. Note: Replacement of defective items of existing make/size shall be measured and paid separately under relevant item.

Cleaning of membrane filter with citric acid and cleaning, washing by the help of high pressure water pump complete all as specified & directed.

Supply and fix Jumbo plated filter cartridge poly propylene of 10 micron 20" complete all as specified & as directed.

Supply and Fix Carbon filter 20" suitable for RO plant complete all as specified & as directed.

Supply and Fix PVC pressure switch 40 mm dia model Hd -010-WP 0.5 to 10 HP Kg/CM² complete all as specified & as directed.

Supply and fix in repairs Multi port valve of 5.0 kg pressure rating for RO plant complete all as specified & as directed.

Supply and Fix membrane filter of model 80/40 two core line as existing size and capacity of RO plant including testing and commissioning complete all as specified & as directed.

M&L sand dual media complete all as specified & as directed.

M&L activated Carbon 1200 Iodine complete all as specified & as directed.

M & L greasing for bearing of centrifugal Pumps complete all as specified & as directed.

M&L for Anti scalant suitable for preventing formation of calcium carbonate and calcium sulphate and fouling by silica gel complete all as specified & as directed.

S&F in repair Anti scalant Dosing motor pump for RO plant of 1000 LPH complete all as specified and as directed.

Dismantling and opening of 30 HP centrifugal booster motor and pump set for fire fighting system and refixing after rewinding, change of bush, bearing, impeller of pump & water seal and other connected accessories including labour & transporting from site and back including loading and unloading complete all as specified and as directed.

S&F in repair, hydrant valve single headed fixed after taking out old unserviceable valve complete all as specified and as directed.

S&F in repair hose box made of 18 gauge MS Sheet 800mm x 600mm x250mm with double door with 4mm thick glasses and door frame made of 16 gauge MS Sheet painted fire red outside and brilliant white inside complete fixed on same place after taking out old unserviceable complete all as specified & as directed.

S&F in repair Branch pipe gun metal 63mm instantaneous inlet, made threaded outlet, 15mm bore nozzle short complete all as specified and directed.

M&L for repairing of solar water heater by replacement of solar modules assembly of 200Ltr capacity complete with toughened glass, copper tubings, rectification of hot water line including provision of insulation, descaling of hot water tank, de-silting of storage water tank, replacement of all unserviceable accessories and making all water connection properly complete all as specified and as directed. [Make:TATA /BP/V-Guard/BHEL]

M&L for removing of casing pipe, motor, pump and cable from bore well from a depth not more than 150 mtr and cleaning/removing of colapsed sand/soil in bore well buy using air blow or any other techinic and installing same / another pump motor with same casing pipe and cable complete all as specified and as directed.

Vijay Construction Co

Krishna Engineering